net/bnxt: fix resource qcaps with older FW

On some old versions of FW, bnxt_hwrm_func_resc_qcaps can return an
error. This is because the command was not implemented completely
in FW till the subsequent version. Ignore the error and continue with
the driver initialization.

Fixes: edafb57ba4a1 ("net/bnxt: fix VF resource allocation")
Cc: stable@dpdk.org
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 2cba007..1d3732e 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -692,7 +692,12 @@ int bnxt_hwrm_func_qcaps(struct bnxt *bp)
                        bp->flags |= BNXT_FLAG_NEW_RM;
        }
 
-       return rc;
+       /* On older FW,
+        * bnxt_hwrm_func_resc_qcaps can fail and cause init failure.
+        * But the error can be ignored. Return success.
+        */
+
+       return 0;
 }
 
 /* VNIC cap covers capability of all VNICs. So no need to pass vnic_id */
@@ -901,7 +906,7 @@ int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp)
 
        rc = bnxt_hwrm_send_message(bp, &req, sizeof(req), BNXT_USE_CHIMP_MB);
 
-       HWRM_CHECK_RESULT();
+       HWRM_CHECK_RESULT_SILENT();
 
        if (BNXT_VF(bp)) {
                bp->max_rsscos_ctx = rte_le_to_cpu_16(resp->max_rsscos_ctx);